4" and 4-1/2", Electric. 2200 to 6800 RPM. 5/8" Spindle, 7/8" Arbor. Extremely powerful 11 Amp angle grinder and sander with variable-speed electronic motor. Vacuum ...

The 6-inch disc sander was great for end-grain sanding ... However, buyers can also find belt sanders with variable speed dials and triggers that allow them to control the speed.